进行盈亏分析，需把产品成本分为（）
B
暂无解析
TheUnitedStatesisacountry_(advance)inscienceandtechnology
Forthoseinvolved,thescandalhasbeenavery________(pain)experience
Ourmost________(success)productisbasedonaverysimpleidea
Althoughtheyagreethatlifeisimportantandshouldberespected,theyfeelthatthequalityoflifeshouldnot__(ignore).
Whatshesays_________littlerelationtowhatsheactuallydoes.